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QJ7S&ĂQ7K7HO)D[ :HEVLWHKWWSZZZFWXHGXYQNQQHPDLOGPLQK#FWXHGXYQYWDQK#FWXHGXYQ Giáo trình môn học: Hoa màu (bắp - đậu xanh - khoai lang) phần: khoai lang chơng 5. phơng pháp chọn và nhân giống Biên soạn bởi Dơng Minh, giảng. đại học cần thơ đại học cần thơ đại học cần thơ đại học cần thơ - - khoa nông nghiệp khoa nông nghiệp khoa nông nghiệp khoa nông nghiệp giáo trình giảng dạy trực